USPatentGranted
B2Printed flexible film for food packaging
Granted 1 Jul 2014 · 4 office actions
Assignee: MANTROSE-HAEUSER CO., INC.
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Xiangdong Gan, Graham C. Battersby, Stephen A. Santos, Bin Zhong · Examiner: N. Edwards · AU 1792 · TC 1700
Application
13/390,956
filed 26 Aug 2010
Publication
US 20120207887
published 16 Aug 2012
Patent· this page
US 8,765,239
granted 1 Jul 2014
26
Claims
1 independent
124
File wrapper
transactions
2030
20-year term
term adjustment not held
none
Litigation
checked
11
Classifications
C09D193/02, B41M7/00
28
Citations
28 cites · 0 cited by
Life of the patent
16 dated events⤢ drag to zoom
ProsecutionTerm & feeshover for detail · click to open
Abstract
The printed image on a major face of a flexible food packaging film is covered by a shellac barrier coating.
Claims
26 · 1 independent · depth 526 granted claims
›1.independentA food packaging film having sufficient flexibility so that it can be supplied in the form of a long continuous sheet rolled up upon itself and then u…+25
›2.↳ 1The food packaging film of claim 1, wherein the substrate is formed from a synthetic resin, a naturally occurring resin, a metal, or a combination the…d2+9
›3.↳ 2The food packaging film of claim 2, wherein the barrier coating comprises shellac.d3+3
›4.↳ 3The food packaging film of claim 3, wherein the barrier coating comprises at least one of dewaxed orange shellac and refined bleach shellac.d4
›5.↳ 3The food packaging film of claim 3, wherein the barrier coating includes a co-film former.d4
›6.↳ 3The food packaging film of claim 3, wherein the substrate is a multilayer article, and further wherein at least two of the layers in this multilayer a…d4
›7.↳ 2The food packaging film of claim 2, wherein substrate is formed from a synthetic resin, a naturally occurring resin, or a combination thereof.d3+4
›8.↳ 7The food packaging film of claim 7, wherein the barrier coating comprises shellac.d4+3
›9.↳ 8The food packaging film of claim 8, wherein the barrier coating comprises at least one of dewaxed orange shellac and refined bleach shellac.d5
›10.↳ 8The food packaging film of claim 8, wherein the barrier coating includes a co-film former.d5
›11.↳ 8The food packaging film of claim 8, wherein the substrate is a multilayer article, and further wherein at least two of the layers in this multilayer a…d5
›12.↳ 1The food packaging film of claim 1, wherein the barrier coating has a resistance to permeation by water vapor at room temperature of at least 75% of t…d2
›13.↳ 1The food packaging film of claim 1, wherein the barrier coating is lipid insoluble.d2+1
›14.↳ 13The food packaging film of claim 13, wherein the barrier coating has a resistance to permeation by water vapor at room temperature of at least 75% of …d3
›15.↳ 1The food packaging film of claim 1, wherein the flexible film substrate is biodegradable and further wherein the barrier coating comprises shellac.d2+2
›16.↳ 15The food packaging film of claim 15, wherein the flexible film substrate is compostable.d3+1
›17.↳ 16The food packaging film of claim 16, wherein the flexible film substrate is a multi-layer film composed of at least two layers of different materials.d4
›18.↳ 1The combination comprising a food or pharmaceutical item and a wrapper fully enclosing the food or pharmaceutical item, wherein the wrapper comprises …d2+4
›19.↳ 18The combination of claim 18, wherein the barrier coating comprises shellac.d3+3
›20.↳ 19The combination of claim 19, wherein the barrier coating comprises at least one of dewaxed orange shellac and refined bleach shellac.d4
›21.↳ 19The combination of claim 19, wherein the flexible film substrate is biodegradable.d4
›22.↳ 19The combination of claim 19, wherein the flexible film substrate is compostable.d4
›23.↳ 1The food packaging film of claim 1, wherein the flexible film substrate is made from coextruded polyethylene/polypropylene laminated to polyethylene t…d2
›24.↳ 1The food packaging film of claim 1, wherein the flexible film substrate is made from a multi-layer film in which at least one of the layers is selecte…d2
›25.↳ 1The food packaging film of claim 1, wherein the substrate is formed from a naturally occurring film forming resins which are at least one of degradabl…d2+1
›26.↳ 25The food packaging film of claim 25, wherein the barrier coating comprises at least one of dewaxed orange shellac and refined bleach shellac.d3
Classifications
11 codesIPC · International Patent Classification
Section B — Performing operations; transporting
- B41M7/00
- B32B27/08
- B65D65/40
- B32B27/36
- B32B27/32
- B29D22/00
- B41M7/02
Section C — Chemistry; metallurgy
- C09D193/02
USPC · US Patent Classification
428/35.2426/127428/36.6
Claim changes
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File wrapper
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Pendency
3.8 y
1,405 days filing → grant
Office actions
2
non-final + final
Responses
4
2 RCE
Interviews
2
examiner interview summaries
Examiner
N. Edwards
art unit 1792 · TC 1700
Law firm
Citations: 28 back · 0 forward
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Log in to unlockPriority chain
2 priority documentsPriority
26 Aug 2009
earliest claimed
›Priority documents — 2
| Type | Document | Date |
|---|---|---|
| provisional | US 61236907 | 26 Aug 2009 |
| related publication | US 20120207887 A1 | 16 Aug 2012 |
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